CERRA II Seniorenpanel 1993/1995
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Panel study on the economic aspects of aging. First wave: both heads of household and partner have been questioned. Adjusted questionnaires for persons in employment, self...
针对老龄化经济层面的面板研究（panel study）。第一波调查：对户主及其配偶双方均开展了问卷调查。针对就业人员、自主（原文截断为self-）人员调整后的调查问卷……
